Shop by Moment
Precision Cutting
Eight Hearts. Eight Arrows. Brilliance You Can See.
Our 1-carat lab-grown diamonds are cut for balanced sparkle, symmetry, and light performance. The Eight Hearts & Eight Arrows pattern is a visible sign of precise round-brilliant cutting.
A simple visual proof of precision cutting in a round brilliant diamond.
Visible brilliance
Balanced symmetry
Precision-cut 1-carat diamonds
Craftsmanship
Advanced Precision Cutting for Brighter Light Return
Light enters. Facets align. Brilliance returns.
A diamond’s beauty depends on how precisely light moves through it. Our state-of-the-art precision cutting standard controls facet alignment, proportions, and symmetry so each 1-carat lab-grown diamond returns more light as visible sparkle, fire, and brilliance.
Tighter facet alignment · Balanced proportions · Refined light performance
Bestsellers (1-carat Lab-grown Diamond Collections)
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Authentic Earrings
$548.00EARRINGS
Classic diamond studs for the easiest version of polished, everyday confidence.
Ring of Stars
$710.00RING
A double-halo ring for anniversaries, forever moments, and light that keeps growing.
Ring of Peaks
$710.00RING
A rising peak ring for achievement moments you earned the hard way.
Ring of Departure
$710.00RING
A graceful twist ring for fresh starts, first jobs, and brave next steps.
Ring of Aura
$710.00RING
A luminous halo ring for days when confidence should feel effortless.
Styled by creators
Influencer Looks
See how creators wear 1-carat diamonds in real life—everyday, not just for special occasions.
@maya.style
@lin.ootd
@sophia.j
@daily.diamond
@casa.artisan
@ootd.jewels
@sparkle.moments
@city.chic
Why Casa Artisan
A New Way to Buy Diamonds
Three principles that simplify diamond shopping and elevate everyday luxury.
1-Carat Specialists
No endless size charts—just one iconic carat weight, perfected for everyday beauty and visible presence.
Precision Cutting Craft
Expert cutting from leading ateliers—focused on optical performance, symmetry, and brilliance you can actually see.
Transparent Fixed Pricing
Clear value without confusing markups—what you see reflects our chosen diamond standard, not hidden premiums.
Shop with Confidence
Learn, Trust & Wear with Confidence
Certified quality you can rely on—and the knowledge to choose your perfect 1-carat diamond.
Certified Lab-Grown
Recognized gemological reports included.
30-Day Returns
Shop with confidence and flexibility.
Quality Craftsmanship
Premium settings built for daily wear.
Dedicated Support
We're here before and after you buy.
"My first lab-grown diamond—and I wear it every single day."
Diamond Education
Four essentials to shop smarter—plus culture and gifting insights.